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Alla [95]
4 years ago
14

10, 20, 40 what is the 15th term

Mathematics
2 answers:
Rus_ich [418]4 years ago
5 0
The answer will be 560
grin007 [14]4 years ago
3 0

Answer:

560

Step-by-step explanation:

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Find the values of p and q such that 4x^2+12x=4(x+p)^2-q
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Answer:

p = 1.5 and q = 9

Step-by-step explanation:

Expand the right side then compare the coefficients of like terms on both sides, that is

4(x + p)² - q ← expand (x + p)² using FOIL

= 4(x² + 2px + p²) - q ← distribute parenthesis

= 4x² + 8px + 4p² - q

Comparing coefficients of like terms on both sides

8p = 12 ( coefficients of x- terms ) ← divide both sides by 8

p = 1.5

4p² - q = 0 ( constant terms ), that is

4(1.5)² - q = 0

9 - q = 0 ( subtract 9 from both sides )

- q = - 9 ( multiply both sides by - 1 )

q = 9

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Scores on a Registered Nurse (RN) aptitude exam are normally distributed with a mean of 72 and a standard deviation of 8. What i
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